Well I know that it is not d. The answer that I would choose is the first option a.
Answer:The Cherokee Trail of Tears resulted from the enforcement of the Treaty of New Echota, an agreement signed under the provisions of the Indian Removal Act of 1830, which exchanged Indian land in the East for lands west of the Mississippi River, but which was never accepted by the elected tribal leadership or a majority
Explanation:
At the Battle of Bunker Hill, the colonists used the physical geography of the area to their advantage by firing on the British from a relatively safe position on the "high ground" of the battlefield.
In the 1800s, reservations were set aside for (B): specific American Indian tribes recognized by the US government.